Check Valve Zaxis 210
Product Specifications
| Brand | Compatible Model(s) | OEM Part Number | GCO Code | Part Type | Availability |
|---|---|---|---|---|---|
| Hitachi | ZAXIS 210 | 4277666 | C04.3 | CHECK VALVE ASSEMBLY / SPOOL CAP | ✓ In Stock |
Product Description
OEM Part Numbers: 4277666
| Machine Model | Part Number |
|---|---|
| ZAXIS 210 | 4277666 |
Genuine OEM part, factory-certified to original tolerances for ZAXIS 210. For a quality aftermarket equivalent at a lower cost, view our aftermarket listing →
The 4277666 check valve zaxis 210 is a precision hydraulic flow control component for the ZAXIS 210, regulating fluid direction and maintaining consistent circuit pressure throughout the hydraulic system. Valve failure leads to hydraulic instability, uncontrolled movement, and pressure loss — conditions that are hazardous to operators and damaging to downstream hydraulic components. Engineered to OEM standard 4277666 for precise installation and reliable hydraulic control on the ZAXIS 210.
Key Features:
- Precise Flow Control: Regulates hydraulic fluid direction and pressure for safe, controlled machine operation.
- OEM Grade Fitment: Manufactured to specification 4277666 for direct installation on the ZAXIS 210 with no hydraulic adjustments required.
- Heavy-Duty Pressure Rating: Built to withstand the high-pressure hydraulic cycles of continuous heavy excavation and lifting work.
The 4277666 check valve zaxis 210 ensures reliable hydraulic flow control and system pressure stability on the ZAXIS 210.
What Does This Check Valve Assembly / Spool Cap Do?
A check valve allows hydraulic or fuel fluid to flow in one direction only, preventing reverse flow that would cause loss of circuit pressure or function drift. Spool caps seal the ends of hydraulic control valve spools and retain the centring springs that return the spool to neutral when the operator releases the control lever.
Possible Check Valve Assembly / Spool Cap Problem Symptoms
If your machine is showing any of the following, a faulty check valve assembly / spool cap may be the cause:
- Hydraulic function drifting or dropping slowly when the control lever is in the neutral position
- Loss of holding pressure in a boom, arm, or attachment circuit when controls are released
- Spool cap leaking hydraulic oil externally at the end of the control valve body
- Hydraulic function not returning to neutral — remaining active after the lever is released
Why Buy From GCO Products?
Gautam & Company has been supplying earthmoving machinery spare parts since 1999. Here is why contractors, fleet operators, and dealers across India trust us.
Over 27 years of experience in the earthmoving parts industry.
Our team helps you confirm the right part before you order.
Proper GST invoices on every order for your accounting needs.
Fast dispatch from Jalandhar to all states across India.
Volume pricing available for fleet owners, dealers and distributors.
Both genuine OEM and quality aftermarket options available.
How to Confirm Compatibility
To ensure this part is the correct fit for your machine, have the following ready when you contact us:
- 1Machine Model & Year
E.g. Komatsu PC200-8, CAT 320D, JCB JS205 — include the model suffix if known.
- 2Machine Serial Number
Found on the machine's chassis plate. Helps confirm the exact production variant.
- 3OEM Part Number
From your parts manual, the old part itself, or the machine's service documentation.
Not sure if this part fits your machine?
WhatsApp Us to Confirm Typically replies within a few hoursDisclaimer: This is an aftermarket replacement part supplied by GCO Products (Gautam & Company) and is not manufactured by, affiliated with, or endorsed by the original equipment manufacturer (OEM). All brand names, model numbers, and OEM part numbers referenced on this page are used solely for the purpose of identifying compatibility and describing the application of this part. All trademarks, registered marks, and brand identifiers remain the exclusive property of their respective owners. GCO Products claims no association with, sponsorship by, or endorsement by any OEM brand mentioned herein.
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